CN100515595C - Pipe body making method, pipe body and image forming device using the same - Google Patents

Pipe body making method, pipe body and image forming device using the same Download PDF

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Publication number
CN100515595C
CN100515595C CNB031490662A CN03149066A CN100515595C CN 100515595 C CN100515595 C CN 100515595C CN B031490662 A CNB031490662 A CN B031490662A CN 03149066 A CN03149066 A CN 03149066A CN 100515595 C CN100515595 C CN 100515595C
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China
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mentioned
wall
abuts
plastic deformation
diapire
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CNB031490662A
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CN1476943A (en
Inventor
前田大树
近藤崇史
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Ricoh Co Ltd
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Ricoh Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/01Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
    • B21D5/015Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments for making tubes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

A method of manufacturing a pipe body having a rectangular cross section, including preparing a metal plate having edges parallel to each other and bending lines parallel to the edges, forming malleable portions extending perpendicular to the bending lines, forming the metal plate into an intermediate product by bending at the bending lines such that the intermediate product includes a center bottom wall, adjoining walls, and two upper walls, applying external forces to the adjoining walls so as to expand and curve the center bottom wall outward, thereby bringing the edges in the upper walls into intimate contact, and applying external force to the curved center bottom wall so as to flatten the center bottom wall and maintain the edges in close contacted condition with a spring back force in the center bottom wall, wherein the malleable portions are formed in the adjoining walls.

Description

Manufacturing tubular body, body, and the image processing system that uses this body
Technical field
The present invention relates to body (pipe body) manufacture method, body, and the image processing system that uses this body in more detail, the present invention relates to by metallic plate is carried out bending machining, and making the cross section is the body of rectangle.
Background technology
As making the cross section is the prior art of the body of rectangle, can enumerate the spy that the applicant proposed and open 2001-286934 communique etc.In this communique, shown in Figure 1A, metallic plate 40 comprises an opposite side 40a parallel to each other, and 40b by this metallic plate is carried out bending machining, is configured as the middle formed products 41 shown in Figure 1B.This centre formed products 41 comprises that three constitute wall portion 42,43a, 43b, the formation wall portion 42 that is in central authorities constitutes the wall 43a of portion with adjacent surface, 43b forms obtuse angle θ 1 (only diagram constitutes wall portion 42 and constitutes the wall 43a of portion institute angulation with adjacent surface) respectively, above-mentioned pair of parallel limit 40a, 40b is in the state of leaving.
Then, as Fig. 1 C, shown in the 1D, the adjacent surface of this centre formed products 41 is constituted the wall 43a of portion, 43b applies external force, makes to constitute 42 bendings of wall portion, bloats laterally, simultaneously, makes an above-mentioned opposite side 40a, and 40b connects airtight.Then, shown in Fig. 1 E, by to comprising an above-mentioned opposite side 40a, face 45 pressurizations at 40b junction surface 44 apply external force F to the sweep that constitutes wall portion 42, make to constitute 42 distortion of wall portion, become flat condition, obtain body 46.
According to this body manufacturing technology, keep an above-mentioned opposite side 40a, the screen resilience of 40b tightlock status remains in by in the face 47 that constitutes the body 46 that wall portion 42 constitutes, and need not weld an above-mentioned opposite side 40a, 40b, and can make them be in tightlock status.
As mentioned above, pressurize, external force is applied in the formation wall portion 42, make that constituting wall portion 42 is deformed into flat condition, the flatness of raising face 45 and face 47 by opposite 45.Material hardness deviating cause because of metallic plate 40, adjacent surface constitutes the wall 43a of portion, and 43b is to the insufficient strength of external force F, perhaps because of the processing conditions deviating cause, the lower dead point position of the mould 48 that pressurizes in opposite 45 is lower than desired location, cause external force F excessive, therefore, at body 46, constitute the 43a of wall portion by adjacent surface, on the face 49,50 that 43b constitutes, such distortion of buckling.Whether 49,50 precision prescribed occasions own perhaps require to form hole portion occasion with high dimensional accuracy on face 49,50 face to face, qualified in order to distinguish goods, need test to above-mentioned this distortion.
But above-mentioned this distortion not necessarily takes place certainly, even in a collection of goods, also exist and confirm occasion takes place, and do not confirm to take place occasion, as mentioned above, making high accuracy goods occasion, need all test the problem that exists cost to increase to finished product.
Summary of the invention
The present invention puts forward for solving the existing problem of above-mentioned prior art, the objective of the invention is to, manufacturing tubular body is provided, body, and the image processing system that uses this body, external force is to constituting the caused distortion of face of body in the time of preventing pressure processing, even the hole portion that forms on above-mentioned or this face requires the high accuracy occasion, also can suppress the above-mentioned cost that causes because of one-hundred-percent inspection and rise.
To achieve these goals, the present invention proposes following scheme:
(1) a kind of manufacturing tubular body, this body has rectangular cross section, comprises a upper wall, two side, and a diapire, this manufacturing tubular body may further comprise the steps:
First procedure of processing, formed products in the middle of being shaped, metallic plate has a pair of limit parallel to each other, along with the parallel sweep of an above-mentioned opposite side, crooked above-mentioned metallic plate, formed products comprises a central diapire in the middle of the gained, two abuts with wall, and two upper wall, two abuts with wall comprise first abuts with wall and second abuts with wall, and with above-mentioned central diapire adjacency, above-mentioned two upper walls comprise the limit of above-mentioned metallic plate respectively respectively, above-mentioned central diapire respectively with first abuts with wall, the formed angle of second abuts with wall is the obtuse angle, and an opposite side of above-mentioned two upper walls of middle formed products is in the state that leaves mutually;
Second procedure of processing applies external force to above-mentioned first abuts with wall and second abuts with wall, makes above-mentioned central diapire bending to bloat laterally, simultaneously, makes an opposite side of above-mentioned two upper walls connect airtight;
The 3rd procedure of processing applies external force to the sweep of above-mentioned central diapire, makes above-mentioned central diapire be deformed into flat condition, makes screen resilience remain in central diapire, in order to keep the tightlock status of an above-mentioned opposite side;
Wherein, in above-mentioned first procedure of processing, form a plastic deformation portion at least in above-mentioned first abuts with wall and/or second abuts with wall, this plastic deformation portion is along extending with the direction of above-mentioned sweep quadrature.
(2) in the manufacturing tubular body of above-mentioned (1), in above-mentioned the 3rd procedure of processing, comprise an above-mentioned butt edge joint by pressurization and close the face of portion, apply external force to the sweep of above-mentioned central diapire, make above-mentioned central diapire be deformed into flat condition.
(3) a kind of manufacturing tubular body, this body has rectangular cross section, comprises a upper wall, two side, and a diapire, this manufacturing tubular body may further comprise the steps:
First procedure of processing, formed products in the middle of being shaped, metallic plate has a pair of limit parallel to each other, along with the parallel sweep of an above-mentioned opposite side, crooked above-mentioned metallic plate, formed products comprises a central diapire in the middle of the gained, two abuts with wall, and two upper wall, two abuts with wall comprise first abuts with wall and second abuts with wall, and with above-mentioned central diapire adjacency, above-mentioned two upper walls comprise the limit of above-mentioned metallic plate respectively respectively, above-mentioned central diapire respectively with first abuts with wall, the formed angle of second abuts with wall is the obtuse angle, and an opposite side of above-mentioned two upper walls of middle formed products is in the state that leaves mutually;
Second procedure of processing, apply external force to above-mentioned first abuts with wall and second abuts with wall, make an opposite side of above-mentioned two upper walls connect airtight, simultaneously, bending by above-mentioned central diapire that stop to desire to bloat laterally, make above-mentioned central diapire keep flat condition, make screen resilience remain in central diapire, keep the tightlock status of an above-mentioned opposite side;
The 3rd procedure of processing, the face to the junction surface that comprises an above-mentioned opposite side that connects airtight mutually, and
The face that is made of above-mentioned central diapire pressurizes;
Wherein, in above-mentioned first procedure of processing, form a plastic deformation portion at least in above-mentioned first abuts with wall and/or second abuts with wall, this plastic deformation portion is along extending with the direction of above-mentioned sweep quadrature.
(4) a kind of manufacturing tubular body, this body has rectangular cross section, comprises a upper wall, two side, and a diapire, this manufacturing tubular body may further comprise the steps:
First procedure of processing, formed products in the middle of being shaped, metallic plate has a pair of limit parallel to each other, along with the parallel sweep of an above-mentioned opposite side, crooked above-mentioned metallic plate, formed products comprises a central diapire in the middle of the gained, two abuts with wall, and two upper wall, two abuts with wall comprise first abuts with wall and second abuts with wall, and with above-mentioned central diapire adjacency, above-mentioned two upper walls comprise the limit of above-mentioned metallic plate respectively respectively, above-mentioned central diapire respectively with first abuts with wall, the formed angle of second abuts with wall is the obtuse angle, and an opposite side of above-mentioned two upper walls of middle formed products is in the state that leaves mutually;
Second procedure of processing, apply external force to above-mentioned first abuts with wall and second abuts with wall, make an opposite side of above-mentioned two upper walls connect airtight, simultaneously, by on above-mentioned first abuts with wall and second abuts with wall, forming respectively towards the inboard protuberance (3a that protrudes of body, 4a), make screen resilience residual, keep the tightlock status of an above-mentioned opposite side;
The 3rd procedure of processing, the face to the junction surface that comprises an above-mentioned opposite side that connects airtight mutually, and
The face that is made of above-mentioned central diapire pressurizes;
Wherein, in above-mentioned first procedure of processing, form a plastic deformation portion at least in above-mentioned first abuts with wall and/or second abuts with wall, this plastic deformation portion is along extending with the direction of above-mentioned sweep quadrature.
(5) in above-mentioned (1)-(4) in the manufacturing tubular body of any, wherein, at least one hole is formed on above-mentioned first abuts with wall and/or second abuts with wall, and above-mentioned plastic deformation portion is formed near the above-mentioned hole.
(6) in the manufacturing tubular body of above-mentioned (5), along above-mentioned sweep, above-mentioned plastic deformation portion is formed on the place ahead and/or the rear in above-mentioned hole.
(7) in the manufacturing tubular body of above-mentioned (6), the longitudinal end of above-mentioned plastic deformation portion extends to more than the respective end of above-mentioned hole (6a).
(8) in above-mentioned (1)-(4) in the manufacturing tubular body of any, be processed to form above-mentioned plastic deformation portion by extruding the bar shaped projection.
(9) in the manufacturing tubular body of above-mentioned (8), make above-mentioned plastic deformation portion from above-mentioned first abuts with wall and/or second abuts with wall towards body outside projection.
(10) in the manufacturing tubular body of above-mentioned (8), make above-mentioned plastic deformation portion from above-mentioned first abuts with wall and/or second abuts with wall towards the body inner bulge.
(11) a kind of body, this body has rectangular cross section, comprises a upper wall, and two side, and a diapire is characterized in that, and this body makes by any described manufacturing tubular body in the invention described above (1)-(10).
(12) a kind of image processing system is provided with image forming part, it is characterized in that, this image processing system uses the body described in the invention described above (11).
According to the invention described above (1), (2) manufacturing tubular body and the body that makes by this method, in first procedure of processing, at least form a plastic deformation portion in first abuts with wall and/or second abuts with wall, and this plastic deformation portion is along extending with the direction of sweep quadrature, therefore, making in residual second procedure of processing of screen resilience after this, even the sweep to central diapire applies external force, this external force is absorbed by this plastic deformation portion, can prevent the distortion of the face that the abuts with wall by body constitutes, even this face is required the high accuracy occasion, also can avoid whole members are tested, can suppress cost and rise.
According to the invention described above (3), (4) manufacturing tubular body and the body that makes by this method, in first procedure of processing, at least form a plastic deformation portion in first abuts with wall and/or second abuts with wall, and this plastic deformation portion is along extending with the direction of sweep quadrature, therefore, in the 3rd procedure of processing after this, even face to the junction surface that comprises an opposite side that connects airtight mutually, and the face that constitutes by central diapire pressurization, this external force is absorbed by plastic deformation portion, can prevent the distortion of the face that the abuts with wall by body constitutes, and the action direction of external force is consistent with the bearing of trend of plastic deformation portion, can effectively improve the abuts with wall intensity of this external force relatively.Even this face is required the high accuracy occasion, also can avoid whole members are tested, can suppress cost and rise.
According to manufacturing tubular body of the invention described above (5) and the body that makes by this method, at least one hole is formed on above-mentioned first abuts with wall and/or second abuts with wall, above-mentioned plastic deformation portion is formed near the above-mentioned hole, therefore, near the stress that produces hole portion on the abuts with wall focuses on plastic deformation portion, can prevent the distortion of hole portion effectively.
According to manufacturing tubular body of the invention described above (6) and the body that makes by this method, along above-mentioned sweep, above-mentioned plastic deformation portion is formed on the place ahead and/or the rear in above-mentioned hole, therefore, the place ahead and/or rear in the hole, external force is absorbed, and it is more effective than what be formed on side's occasion wherein that plastic deformation portion is formed on the place ahead in above-mentioned hole and rear occasion.
According to manufacturing tubular body of the invention described above (7) and the body that makes by this method, the longitudinal end of above-mentioned plastic deformation portion extends to more than the respective end of above-mentioned hole (6a), therefore, on abuts with wall, external force focuses on plastic deformation portion during pressure processing, can prevent the distortion of hole portion effectively, even hole portion is required the high accuracy occasion, also can avoid whole members are tested, can suppress cost and rise.
According to manufacturing tubular body of the invention described above (8) and the body that makes by this method, be processed to form above-mentioned plastic deformation portion by extruding the bar shaped projection, therefore, can be easy to form above-mentioned plastic deformation portion with low cost.
According to manufacturing tubular body of the invention described above (9) and the body that makes by this method, make above-mentioned plastic deformation portion from above-mentioned first abuts with wall and/or second abuts with wall towards body outside projection, therefore, in procedure of processing after this, even apply external force to middle formed products, this external force is absorbed by this plastic deformation portion, can prevent the distortion of the face that the abuts with wall by body constitutes, even this face is required the high accuracy occasion, also can avoid whole members are tested, can suppress cost and rise.
According to manufacturing tubular body of the invention described above (10) and the body that makes by this method, make above-mentioned plastic deformation portion from above-mentioned first abuts with wall and/or second abuts with wall towards the body inner bulge, by taking this structure, use existing pressure former to apply the external force occasion to abuts with wall from the left and right sides metal pattern punch parts that promptly pressurize, plastic deformation portion and metal pattern can not interfered, and there is no need metal pattern imposed to be used to transformation of avoiding above-mentioned interference etc.In addition, when body was finished, plastic deformation portion was not outstanding laterally, the occasion even miscellaneous part and tube wall join, and plastic deformation portion can not collide with this miscellaneous part yet, can not harm and join.
According to the image processing system of the invention described above (12), use resulting body in the invention described above (11), the effect of the invention described above also can obtain in image processing system, and the application of the invention body can reduce the image processing system cost significantly.
Description of drawings
Fig. 1 represents the manufacturing tubular body of prior art, wherein, Figure 1A represents metallic plate, Figure 1B represents that the metallic plate of crooked Figure 1A forms middle formed products, Fig. 1 C represents that the middle formed products with Figure 1B is positioned in the state in the pressure former, Fig. 1 D represent from about state that the middle formed products of Fig. 1 C is pressurizeed, the state from pressurizeing up and down behind Fig. 1 E presentation graphs 1D;
Fig. 2 is the oblique view of the body that relates to of first embodiment of the invention;
Fig. 3 is the front elevation of presentation graphs 2 bodys;
Fig. 4 is used for shop drawings 1, the plane of the metallic plate of body shown in Figure 2;
Fig. 5 represents the once middle formed products that first embodiment of the invention relates to, and wherein, Fig. 5 A represents front elevation, and Fig. 5 B represents plane;
Fig. 6 represents to be used to be shaped the once pressure apparatus of middle formed products shown in Figure 5, and wherein, Fig. 6 A represents metallic plate is positioned in state on the movable platen, and Fig. 6 B represents the state to this metallic plate pressurization;
Fig. 7 represents the front elevation of the middle formed products of secondary that first embodiment of the invention relates to, and wherein, Fig. 7 A represents its overall diagram, and Fig. 7 B represents partial enlarged drawing;
The oblique view of formed products in the middle of the secondary of Fig. 8 presentation graphs 7;
Fig. 9 represents to be used to the Fig. 7 that is shaped, the pressure apparatus of formed products in the middle of the secondary shown in Figure 8, wherein, Fig. 9 A represents formed products in the middle of once is positioned in state on the movable platen, Fig. 9 B represent to this once in the middle of the state of formed products pressurization;
Figure 10 represents the middle formed products of secondary and another the routine key diagram of pressure apparatus that is used for its shaping;
Figure 11 represents to constitute relatively wall portion, and adjacent surface constitutes the front elevation of the middle formed products example of secondary of the big occasion of wall portion;
Figure 12 represents to be used for the key diagram of the another example of pressure apparatus that formed products is shaped in the middle of the secondary;
The front elevation of formed products in the middle of the secondary that Figure 13 represents to be shaped by pressure apparatus shown in Figure 12;
Figure 14 represents that with Fig. 7 formed products is positioned in the key diagram of state on the pressure former in the middle of the secondary shown in Figure 8;
Figure 15 represents the join key diagram of state of the portion of buckling of formed products in the middle of the secondary on the pressure former of being positioned in of the 3rd pressure-producing part and Figure 14;
Figure 16 is illustrated in the pressure former of Figure 14, drives the key diagram of the 3rd pressurization punch device end state;
Figure 17 is illustrated in the pressure former of Figure 14, the state that the 4th pressurization punch parts pressurize to top formation wall portion;
Figure 18 represents to be used for key diagram 2, the ideograph of the screen resilience that produces on the body shown in Figure 3;
Figure 19 represents the key diagram of state on the pressure former that second embodiment of the invention relates to that formed products in the middle of the secondary is positioned in;
Figure 20 represents the join key diagram of state of the portion of buckling of formed products in the middle of the secondary on the pressure former of being positioned in of the 3rd pressure-producing part and Figure 19;
Figure 21 is illustrated in the pressure former of Figure 19, stops one of the middle formed products of secondary to constitute the state that wall portion bloats laterally;
Figure 22 is illustrated in the pressure former of Figure 19, drives the key diagram of the 3rd pressurization punch device end state;
Figure 23 is illustrated in the pressure former of Figure 19, the state that the 4th pressurization punch parts pressurize to top formation wall portion;
Figure 24 represents another routine key diagram of pressure former;
Figure 25 A represents the key diagram of state on the pressure former that third embodiment of the invention relates to that formed products in the middle of the secondary is positioned in;
Figure 25 B is the partial enlarged drawing of Figure 25 A;
Figure 26 represents the join key diagram of state of the portion of buckling of formed products in the middle of the secondary on the pressure former of being positioned in of the 3rd pressure-producing part and Figure 25;
Figure 27 is illustrated in the pressure former of Figure 25, drives the key diagram of the 3rd pressurization punch device end state;
Figure 28 is illustrated in the pressure former of Figure 25, the state that the 4th pressurization punch parts pressurize to top formation wall portion;
Figure 29 represents the oblique view of the body that third embodiment of the invention relates to;
Figure 30 represents the front elevation of the body of Figure 29;
Figure 31 represents to be used to illustrate Figure 29, the ideograph of the screen resilience that produces on the body shown in Figure 30;
Figure 32 represents that the body that will the present invention relates to is used as the key diagram of the image processing system of framework;
Figure 33 represents the key diagram of the plate shape that the embodiment of the invention relates to;
Figure 34 represents the key diagram of relative Figure 33 plate body plate shape as a comparative example;
Figure 35 represents the simulated conditions to Figure 33 plate body, and wherein, Figure 35 A represents load place key diagram, and Figure 35 B represents bearing's key diagram;
Figure 36 represents the simulated conditions to Figure 34 plate body, and wherein, Figure 36 A represents load place key diagram, and Figure 36 B represents bearing's key diagram;
Figure 37 represents distortion situation key diagram under Figure 35 condition;
Figure 38 represents distortion situation key diagram under Figure 36 condition;
Figure 39 represents stress distribution situation key diagram under Figure 35 condition;
Figure 40 represents stress distribution situation key diagram under Figure 36 condition;
Figure 41 represents Figure 33, each plate body of Figure 34, graph of a relation between load and the displacement difference.
The specific embodiment
Below, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
First embodiment
Fig. 2 is the oblique view of the body that relates to of first embodiment of the invention, and Fig. 3 is the front elevation of presentation graphs 2 bodys.As shown in Figures 2 and 3, body 1 cross section is a rectangle, and it comprises that the bottom surface constitutes wall portion 2, and a pair of side that constitutes wall portion 2 adjacency with the bottom surface constitutes wall portion 3,4, and constitutes the top formation wall portion 5 of wall portion 2 subtends with the bottom surface, as four faces corresponding with each limit of rectangle.Constitute wall portion 5 above and constitute the 5a of wall portion by pair of seams, 5b constitutes, and seam constitutes the wall 5a of portion, and 5b is respectively equipped with end face 5c, 5d, and above-mentioned end face 5c, 5d connects airtight mutually, and the central authorities' formation seam that constitutes wall portion 5 on above-mentioned is junction surface 5e.
As shown in Figure 4, this body 1 be with rectangular-shaped metallic plate 6 as raw material, be shaped by pressure processing, above-mentioned metallic plate 6 comprises a pair of limit 6e parallel to each other, 6e.As the material of above-mentioned metallic plate 6, so long as the material that can be used for plastic working iron for example, copper, aluminium, stainless steels etc. no matter which kind of is all right, in the present embodiment, use the material of iron as above-mentioned metallic plate 6.Form screw 6a necessary on the function on above-mentioned metallic plate 6 accurately, 6a makes screw 6a, 6a be positioned at the place that constitutes wall portion 3,4 correspondences with the side.In the present embodiment, when body 1 of the present invention is used as the framework of image processing system, for example, occasions such as other bodys are installed on body 1, perhaps body 1 are installed to occasion on the miscellaneous part, above-mentioned screw 6a, 6a uses as the joint portion that usefulness is installed.
Sweep 6c, 6c and 6d, 6d edge and above-mentioned limit 6e, the 6e equidirectional extends.Constituting the place of wall portion 3,4 correspondences with the side, be provided with the 6f of plastic deformation portion, it is along above-mentioned sweep 6c, 6c and 6d, 6d is positioned at the place ahead and the rear of above-mentioned screw 6a.The above-mentioned plastic deformation 6f of portion forms its plastic deformation by metallic plate 6 being imposed extrusion bar shaped projection processing (bead processing), court and sweep 6c near screw 6a, and 6c, 6d, the 6d orthogonal direction extends.The length direction end of the above-mentioned plastic deformation 6f of portion extends near sweep 6c or the 6d, the 6f of plastic deformation portion along with sweep 6c, the direction of 6d quadrature reaches screw 6a diameter integral.
In above-mentioned pressure processing, earlier along sweep 6c, 6c is with the 6b of limit portion of metallic plate 6, and 6b bends to promptly 90 ° at right angle, makes the 6b of limit portion of above-mentioned metallic plate 6, and 6b is towards protruding opposite edge-on of convex side with the 6f of plastic deformation portion, as first procedure of processing.Like this, the above-mentioned limit 6b of portion, 6b form pair of seams and constitute the wall 5a of portion, 5b, and the cross section that is shaped as shown in Figure 5 is the once middle formed products 8 of concavity.In Fig. 5, label 9 is represented not bend, and operation is pressed sweep 6d afterwards, and 6d carries out bending, the width size L of metallic plate 6, and sweep 6c, 6c and 6d, the position of 6d determines on the metal elongation basis that the consideration pressure processing causes.
The pressure processing of above-mentioned once middle formed products 8 is used pressure apparatus 10 for example shown in Figure 6.Pressure apparatus 10 is substantially by first fixed head 11, the first pressurization punch parts 12, movable platen 12a constitutes, and first fixed head 11 is provided with the recess 13 that is surrounded by perisporium 11a, the shape of this perisporium 11a with once in the middle of the profile of formed products 8 be that seam constitutes the wall 5a of portion, the profile of 5b is corresponding.The first pressurization punch parts 12 have with once in the middle of the corresponding shape of interior shape of formed products 8, by cylinder apparatus (not diagram), the first pressurization punch parts, 12 relative recesses 13 move up and down.Movable platen 12a is connected with another cylinder apparatus (not diagram), along with moving up and down of the above-mentioned first pressurization punch parts 12, makes the perisporium 11a of relative first fixed head 11 of above-mentioned movable platen 12a slide.
As shown in Figure 6A, under the state, metallic plate 6 is positioned on the movable platen 12a above above-mentioned first pressurization punch parts 12 and the movable platen 12a is positioned at, this movable platen 12a is positioned at the position than first fixed head, 11 high H.Shown in Fig. 6 B, make the above-mentioned first pressurization punch parts 12 descend, the first pressurization punch parts 12 and 6 pressurizations of movable platen 12a clamping metallic plate, be shaped once in the middle of formed products 8.When being positioned in metallic plate 6 on the movable platen 12a, make the 6f of plastic deformation portion down, i.e. the plastic deformation 6f of portion is outstanding towards the below, and movable platen 12a shaped design is not for damaging the 6f of plastic deformation portion by pressure.
Then, along sweep 6d, the not bend 9 of formed products 8 in the middle of the 6d bending once, simultaneously, the feasible line 6d, the bending of 6d retained part of being bent, outstanding towards the top, form a formation wall portion 15 that constitutes bottom surface formation wall portion 2 later on, constitute the adjacent surface formation wall 16a of portion that the side constitutes wall portion 3 later on, constitute the adjacent surface formation wall 16b of portion that the side constitutes wall portion 4 later on.Like this, as shown in Figure 7 and Figure 8, formed products 14 in the middle of the shaping secondary is as middle formed products.
Shown in Fig. 7 B amplifies, one of formed products 14 constitutes wall portion 15 by par 15a in the middle of the secondary, and 15b and bend 15c constitute, and bend 15c is positioned at above-mentioned par 15a, between the 15b, par 15a and adjacent surface constitute the wall 16a of portion or adjacent surface constitutes the wall 16b of portion adjacency.Par 15a and adjacent surface constitute the wall 16a of portion or adjacent surface and constitute the formed angle θ 3 of the wall 16b of portion for being that the bottom surface constitutes that wall portion 2 constitutes wall portion 3 with the side or the side constitutes (=90 ° of the wall 4 formed angle θ 2 of portion than corresponding angle in body 1 cross sectional shape, with reference to Fig. 3) big obtuse angle, because the shape of this formation wall portion 15, one opposite side 6e, 6e is end face 5c, is in the state of leaving between the 5d.
The pressure processing of formed products 14 is used pressure apparatus 17 for example shown in Figure 9 in the middle of the above-mentioned secondary.Pressure apparatus 17 is substantially by second fixed head 19, the second pressurization punch parts 20, movable platen 20b constitutes, second fixed head 19 is provided with the recess 18 that is surrounded by perisporium 19a, the profile of formed products 14 is that adjacent surface constitutes the wall 16a of portion in the middle of the shape of this perisporium 19a and the secondary, and the profile of 16b is corresponding.
This perisporium 19a and above second fixed head 19 19b form recess (not diagram), make that the 6f of plastic deformation portion was positioned at this recess position, can not damaged by pressure when formed products 8 in the middle of once carried out pressure processing.
The second pressurization punch parts 20 are provided with the 20a of punch portion in its underpart, the 20a of this punch portion has interior shape and the adjacent surface formation wall 16a of portion that constitutes wall portion 15 with one of the middle formed products 14 of secondary, the corresponding shape of shape in the bottom of 16b, by cylinder apparatus (not diagram), the second pressurization punch parts, 20 relative recesses 18 move up and down.Movable platen 20b is connected with another cylinder apparatus (not diagram), along with moving up and down of the above-mentioned second pressurization punch parts 20, makes relative second fixed head 19 of above-mentioned movable platen 20b slide.The top 20c of this movable platen 20b is finish-machined to the corresponding shape of profile that constitutes wall portion 15 with one of the middle formed products 14 of secondary.
Shown in Fig. 9 A, above above-mentioned second pressurization punch parts 20 and the movable platen 20b is positioned under the state, will be once in the middle of formed products 8 be positioned on the movable platen 20b, this movable platen 20b is positioned at the position than second fixed head, 19 high H1.Shown in Fig. 9 B, make the above-mentioned second pressurization punch parts 20 descend, the concavity inside of formed products 8 in the middle of entering once, the 20a of punch portion of the second pressurization punch parts 20 and not bend 9 pressurizations of the top 20c clamping of movable platen 20b, formed products 14 in the middle of the shaping secondary.
Formed products 14 can carry out by the following method in the middle of taking off this secondary from pressure apparatus 17: make the second pressurization punch parts 20 rise, remove machining state after, with formed products 14 in the middle of the secondary along its length (among Fig. 9 with the paper vertical direction) take out.But, for example shown in Figure 10, one constitutes wall portion 15 crooked big occasions, perhaps as shown in figure 11, adjacent surface constitutes the wall 16a of portion, and the length of 16b relative one constitutes the big occasion of ratio of wall portion 15, can be only by making the second pressurization punch parts 20 rise, make it pass through an opposite side 6e, between the 6e, formed products in the middle of the secondary 14 is taken out.Like this, can save the flow chart that formed products 14 in the middle of the secondary is pulled out along its length, improve forming operation efficient, save working space.
By use pressure apparatus shown in Figure 12 also can form shown in Figure 13 one constitute wall portion 15 smooth be formed products in the middle of the unbending secondary, but, constitute the flatness of wall portion 2 if consider the bottom surface when body 1 is finished, perhaps consider and only just formed products 14 in the middle of the secondary can be taken out from pressure apparatus 17 by making the second pressurization punch parts 20 rise, a formation wall portion 15 is preferably Fig. 7, bending shown in Figure 8 so.At Fig. 7, among Fig. 8, be in one of case of bending and constitute wall portion 15 by par 15a, 15b and bend 15c constitute, and still, case of bending is not limited thereto.
Then, for formed products 14 in the middle of this secondary being configured as body 1, use pressure former 21 as shown in figure 14 as finished product.This pressure former 21 is made of counterdie 22 and patrix 23 substantially, and counterdie 22 is provided with the 3rd fixed head 24, and patrix 23 is provided with movable platen 25, by there not being illustrated cylinder assembly, makes movable platen 25 move up and down.
On the 3rd fixed head 24, be provided with a pair of limiting component 26,26, and the 3rd pressurization punch parts 27,27.In addition, be provided with the rail plate (not diagram) that extends along Figure 14 left and right directions, above-mentioned a pair of the 3rd pressurization punch parts 27,27 can slide on this rail plate, by there not being illustrated cam mechanism, can move towards direction near each other or departure direction interlock.Under counterdie 22 and patrix 23 released states, do not have illustrated energize parts for example spring members towards mutual departure direction above-mentioned the 3rd pressurization punch parts 27,27 are applied energy.
Face in the mutual subtend of above-mentioned the 3rd pressurization punch parts 27,27 forms punch face 27b respectively, 27b, and the adjacent surface of formed products 14 constitutes the wall 16a of portion in the middle of secondary, the 16b pressurization.Punch face 27b, 27b are not along sweep 6c, and 6d relates to the total length of the middle formed products 14 of secondary and extends, but make that punch face 27b can not damage the 6f of plastic deformation portion by pressure when formed products 14 in the middle of the secondary is carried out pressure processing.
On movable platen 25, be provided with driver part 29,29, be used to drive above-mentioned the 3rd pressurization punch parts 27,27, simultaneously, be provided with the 4th pressurization punch parts 30, be used for constituting the wall 5a of portion the 5b pressurization to pair of seams.In the lower inside of driver part 29,29, form the gradient 29a of portion, 29a, the upper outside at the 3rd pressurization punch parts 27,27 forms and the above-mentioned gradient 29a of portion the 27a of gradient portion that 29a cooperates, 27a.
As shown in figure 14,, earlier formed products 14 in the middle of the secondary is positioned in the center in the subtend space 28 of the 3rd pressurization punch parts 27,27, makes one to constitute wall portion 15 down as the 3rd procedure of processing.If make patrix 23 descend by arrow A 1 direction from this state, then driver part 29,29 the 29a of gradient portion, 29a and the 3rd pressurization punch parts 27,27 the 27a of gradient portion, 27a cooperates, and drives the 3rd pressurization punch parts 27,27 and moves towards the power of energizing of the above-mentioned parts of energizing of direction resistance near each other with identical speed V1.Like this, the 3rd pressurization punch parts 27,27 punch face 27b, 27b simultaneously with become adjacent surface and constitute the wall 16a of portion, the 31a of the portion that buckles on 16b border, 31b joins, the punch face 27b of the 3rd pressurization punch parts 27,27,27b applies external force, towards direction near each other adjacent surface is constituted the wall 16a of portion, 16b exerts pressure.
As shown in figure 16,, then get the bending that removes a formation wall portion 15 if further drive the 3rd pressurization punch parts 27,27 towards direction near each other, end face 5c, 5d is approaching, finally connects airtight, and constitutes wall portion 5 above forming.At this moment, one constitutes wall portion 15 constitutes the wall 16a of portion with adjacent surface, and the formed angle of 16b is littler than originally, but does not also become 90 ° fully, and a formation wall portion 15 bloats towards the below, towards the opposition side bending.The 31a of portion that buckles, the relative punch face of 31b 27b, 27b slide to the top, and adjacent surface constitutes the wall 16a of portion, and 16b erects, and form the side and constitute wall portion 3,4.
Then, as shown in figure 17, as the 4th procedure of processing, if patrix 23 is further descended, the 27a of gradient portion of the 3rd pressurization punch parts 27,27 then, the 29a of gradient portion of 27a and driver part 29,29, the cooperation of 29a is removed, and the 3rd pressurization punch parts 27,27 stop in this position.In this state, if patrix 23 is descended, then the 4th pressurization punch parts 30 join with top formation wall portion 5, and to 5 pressurizations of top formation wall portion, one constitutes wall portion 15 becomes tabular surface, forms the bottom surface and constitutes wall portion 2.
Then, if patrix 23 is risen, separate with counterdie 22, then the 3rd pressurization punch parts 27,27 move towards mutual departure direction once more, obtain finished product body 1.Generally, if be out of shape with target by pressure processing, rebound phenomenon can take place, after promptly removing operating force, because of the elasticity that target had, the phenomenon that distortion is more or less replied, therefore, the bottom surface of body 1 constitutes wall portion 2 and has following tendency: follow this resilience and the stress (screen resilience) that takes place and produce the flexure plane that will be returned to shown in Figure 18 chain-dotted line.Remain in screen resilience f1 that this bottom surface constitutes wall portion 2 and make end face 5c, 5d keeps tightlock status.
In the manufacturing tubular body that present embodiment relates to, the procedure of processing of formed products 14 is promptly in the manufacturing procedure of second procedure of processing in the middle of the shaping secondary, the 6f of plastic deformation portion is formed on adjacent surface and constitutes the wall 16a of portion, on the 16b, along with sweep 6c, the direction that 6d is orthogonal is extended, therefore, after this make the residual procedure of processing of screen resilience promptly in the 4th procedure of processing, even a sweep that constitutes wall portion 15 is applied external force, this external force also can be absorbed by the 6f of plastic deformation portion, can prevent that the side of body 1 from constituting the distortion of wall portion 3,4.
Constitute the wall 16a of portion at adjacent surface, the last formation of 16b screw 6a, simultaneously, constitute the wall 16a of portion at adjacent surface, on the 16b, along sweep 6c, 6d is at the place ahead that is positioned at screw 6a and rear, form the plastic deformation 6f of portion, and extend to more than top and below (with reference to Fig. 2 and Fig. 4) of screw 6a end, therefore, constitute the wall 16a of portion at adjacent surface, 16b, external force concentrates on the 6f of plastic deformation portion in the time of preventing pressure processing, prevents the distortion of screw 6a, even screw 6a is required high accuracy, also there is no need all testing, can suppress cost and rise.
In the present embodiment, the 6f of plastic deformation portion along with sweep 6c, direction that 6d is orthogonal is extended, therefore, can improve adjacent surface effectively and constitute the wall 16a of portion, 16b is for the intensity of the 4th pressurization punch parts 30 pressurizations, and the 6f of this plastic deformation portion is formed near the screw 6a, therefore, constitute the wall 16a of portion at adjacent surface, 16b can prevent effectively that the stress that produces from concentrating on the 6f of plastic deformation portion, prevents the distortion of screw 6a near screw 6a.Have again, be processed to form the 6f of plastic deformation portion, therefore, can and easily form the 6f of plastic deformation portion with low cost by extruding the bar shaped projection.
Second embodiment
In the manufacturing tubular body that present embodiment relates to, in the 3rd procedure of processing, use pressure former 21a shown in Figure 19, replace pressure former 21.This pressure former 21a is at the punch face 27b of the 3rd pressurization punch parts 27,27, and 27b is provided with the high CONTACT WITH FRICTION parts 27c of coefficient of friction, 27c, different with pressure former 21 in this, other are identical with first embodiment, same section is marked with prosign, and omission is described.
As shown in figure 19, for formed products 14 in the middle of the secondary that makes through first procedure of processing and second procedure of processing,, earlier it is positioned in the 3rd pressurization punch parts 27 as the 3rd procedure of processing, the center in 27 subtend space 28 makes one to constitute wall portion 15 down.If make patrix 23 descend by arrow A 2 directions from this state, then driver part 29,29 the 29a of gradient portion, 29a and the 3rd pressurization punch parts 27,27 the 27a of gradient portion, 27a cooperates, drive the 3rd pressurization punch parts 27,27 with identical speed V2 towards direction resistance near each other do not have illustrated energize parts for example the power of energizing of spring members move (with reference to Figure 20).Like this, the punch face 27b of the 3rd pressurization punch parts 27,27, the 27b while and the 31a of portion that buckles, 31b joins, the punch face 27b of the 3rd pressurization punch parts 27,27,27b applies external force, towards direction near each other adjacent surface is constituted the wall 16a of portion, and 16b exerts pressure.
With reference to Figure 21 and Figure 22, if further drive the 3rd pressurization punch parts 27,27, then get the bending that removes a formation wall portion 15 towards direction near each other, end face 5c, 5d is approaching, finally connects airtight, and constitutes wall portion 5 above forming.At this moment, one constitutes wall portion 15 desires to bloat towards the below, still, because the 31a of portion that buckles, 31b and CONTACT WITH FRICTION parts 27c, the largest static frictional force of 27c is big, and one constitutes wall portion 15 joining the stage with the 3rd fixed head 24, can not bloat towards the below, keeps flat condition.In addition, constitute wall portion 15 one and do not leave in the 3rd fixed head 24 scopes 31a of portion that buckles, the relative CONTACT WITH FRICTION parts of 31b 27c, 27c is some toward the top skew, like this, adjacent surface constitutes the wall 16a of portion, and 16b erects, form the side and constitute wall portion 3,4, simultaneously, one constitutes wall portion 15 forms bottom surface formation wall portion 2.
Then, as shown in figure 23, as the 4th procedure of processing, if patrix 23 is further descended, the 27a of gradient portion of the 3rd pressurization punch parts 27,27 then, the 29a of gradient portion of 27a and driver part 29,29, the cooperation of 29a is removed, and the 3rd pressurization punch parts 27,27 stop in this position.In this state, if patrix 23 is descended, then the 4th pressurization punch parts 30 join with top formation wall portion 5, to 5 pressurizations of top formation wall portion, can further improve the bottom surface constitute wall portion 2 and above constitute the flatness of wall portion 5.
Then, if patrix 23 is risen, separate with counterdie 22, then the 3rd pressurization punch parts 27,27 move towards mutual departure direction once more, obtain finished product body 1.This body 1 is also the same with first embodiment, remains in screen resilience that the bottom surface constitutes wall portion 2 and makes end face 5c, and 5d keeps tightlock status.
In the manufacturing tubular body that present embodiment relates to, the procedure of processing of formed products 14 is promptly in the manufacturing procedure of second procedure of processing in the middle of the shaping secondary, the 6f of plastic deformation portion is formed on adjacent surface and constitutes the wall 16a of portion, on the 16b, along with sweep 6c, the direction that 6d is orthogonal is extended, therefore, in after this procedure of processing promptly in the 4th procedure of processing, even top formation wall portion 5 is applied external force, this external force also can be absorbed by the 6f of plastic deformation portion, the side that can prevent body 1 constitutes wall portion 3,4 distortion simultaneously, prevent screw 6a distortion.
As shown in figure 24, in pressure former 21a, for formed products 14 in the middle of preventing secondary swells, stop towards the opposition side bending of a formation wall portion 15, also projection 27d can be set, 27d replaces above-mentioned CONTACT WITH FRICTION parts 27c, 27c.
The 3rd embodiment
In the manufacturing tubular body that present embodiment relates to, as shown in figure 25, in first procedure of processing and second procedure of processing, formed products 14 in the middle of the shaping secondary makes one to constitute wall portion 15 and the adjacent surface formation wall 16a of portion, the formed angle θ 4=90 of 16b °.In the 3rd procedure of processing, working pressure building mortion 21b replaces pressure former 21.This pressure former 21b is at the punch face 27b of the 3rd pressurization punch parts 27,27, and 27b is provided with protuberance 27e, and 27e is different with pressure former 21 in this, and other are identical with first embodiment, and same section is marked with prosign, and omission is described.
For formed products 14 in the middle of the secondary that makes through first procedure of processing and second procedure of processing, as the 3rd procedure of processing, earlier it is positioned in the center in the subtend space 28 of the 3rd pressurization punch parts 27,27, make one to constitute wall portion 15 down.If make patrix 23 descend by arrow A 3 directions from this state, then driver part 29,29 the 29a of gradient portion, 29a and the 3rd pressurization punch parts 27,27 the 27a of gradient portion, 27a cooperates, drive the 3rd pressurization punch parts 27,27 with identical speed V3 towards direction resistance near each other do not have illustrated energize parts for example the power of energizing of spring members move (with reference to Figure 26).Like this, the punch face 27b of the 3rd pressurization punch parts 27,27, the 27b while and the 31a of portion that buckles, 31b joins, the punch face 27b of the 3rd pressurization punch parts 27,27,27b applies external force, towards direction near each other adjacent surface is constituted the wall 16a of portion, and 16b exerts pressure.
With reference to Figure 26 and Figure 27, if further drive the 3rd pressurization punch parts 27,27, then get the bending that removes a formation wall portion 15 towards direction near each other, end face 5c, 5d is approaching, finally connects airtight, and constitutes wall portion 5 above forming.At this moment, the 31a of portion that buckles, the relative punch face of 31b 27b, 27b is toward the top skew, adjacent surface constitutes the wall 16a of portion, and 16b erects, and forms the side and constitutes wall portion 3,4, simultaneously, a formation wall portion 15 and the 3rd fixed head 24 join, and are subjected to the counter-force from the 3rd fixed head 24, finally become flat condition, form the bottom surface and constitute wall portion 2.Constitute wall portion 3,4 in the side and form protuberance 3a, 4a, this protuberance 3a, 4a are owing to punch face 27b, and the last protuberance 27e of 27b, 27e cause that the inboard that constitutes wall portion 3,4 to the side is protruded.
Then, as shown in figure 28, as the 4th procedure of processing, if patrix 23 is further descended, the 27a of gradient portion of the 3rd pressurization punch parts 27,27 then, the 29a of gradient portion of 27a and driver part 29,29, the cooperation of 29a is removed, and the 3rd pressurization punch parts 27,27 stop in this position.In this state, if patrix 23 is descended, then the 4th pressurization punch parts 30 join with top formation wall portion 5, to 5 pressurizations of top formation wall portion, can further improve the bottom surface constitute wall portion 2 and above constitute the flatness of wall portion 5.
Then, if patrix 23 is risen, separate with counterdie 22, then the 3rd pressurization punch parts 27,27 move towards mutual departure direction once more, obtain as Figure 29 and finished product body 1a shown in Figure 30.The protuberance 3a of this body 1a, 4a has the tendency of desiring to be returned to shape shown in Figure 31 dotted line because of screen resilience relation, remains in this side and constitutes screen resilience f2 in wall portion 3,4 and make end face 5c, and 5d keeps tightlock status.
In the manufacturing tubular body that present embodiment relates to, same with above-mentioned second embodiment, in the 4th procedure of processing, even top formation wall portion 5 is applied external force, this external force also can be absorbed by the 6f of plastic deformation portion, can prevent that the side from constituting wall portion 3,4 and screw 6a distortion.
The 4th embodiment
Present embodiment represents that the body that the various embodiments described above are made is used as the example of image processing system framework, shown in figure 32, this image processing system 32 is included in paper P and goes up the image forming part 33 that forms image, transport the portion that transports 34 of above-mentioned paper P, support above-mentioned image forming part 33 and transport the framework 35 of portion 34 etc.Body 1 or body 1a that framework 35 uses the various embodiments described above to make can reduce cost.
The following describes specific embodiment, so that illustrate in greater detail the effect of plastic deformation portion.
Figure 33 and Figure 34 represent the model that present embodiment uses, thickness of slab is 1.2mm, wherein, Figure 33 represents plate body 36, and it is equivalent to cut adjacent surface and constitutes the wall 16a of portion or 16b and get screw 6a diameter 8mm, by extruding the processing of bar shaped projection, form the plastic deformation 6f of portion, its protruding side circular arc R=2.4mm, recessed side circular arc R=1.2mm; Figure 34 represents plate body 37, and except not forming the 6f of plastic deformation portion, other are identical with above-mentioned plate body 36.
As Figure 35, shown in Figure 36, for plate body 36,37, make the one side (in the present embodiment, for the bottom surface constitutes wall portion 2 sides) fixing, opposite side (in the present embodiment, being top formation wall portion 5 sides) is applied the load of 20kN, use and resolve software (in the present embodiment, use the Designspace ver.6 of ANSYS company) resolve at this moment distortion situation and stress distribution situation, obtain Figure 37-result shown in Figure 40.
Figure 37 represents that the side face each several part of screw 6a of plate body 36 is along the deflection (displacement) of load direction.In side face, Outboard Sections i.e. upper face side part among the figure, is 0.074 * 10 along Y direction deflection -3More than the m, maximum deformation quantity is 0.109 * 10 -3M (representing with Max among the figure); Inside part promptly among the figure below the side part, be-0.170 * 10 along Y direction deflection -3More than the m, this negative maximum deformation quantity is-0.205 * 10 -3M (representing with Min among the figure).
Figure 38 represents the deflection of the screw 6a side face each several part of plate body 37 along load direction, and in side face, Outboard Sections i.e. upper face side part among the figure, is 0.174 * 10 along Y direction deflection -3More than the m, maximum deformation quantity is 0.232 * 10 -3M (representing with Max among the figure); Inside part promptly among the figure below the side part, be-0.229 * 10 along Y direction deflection -3More than the m, negative maximum deformation quantity is-0.287 * 10 -3M (representing with Min among the figure).
Figure 39 represents the stress distribution of plate body 36 each several parts, along the 6f of plastic deformation portion with and along the adjacent part of Y direction, the distributed stress height, at region of stress concentration, effect 1.920 * 10 9The stress that Pa is above, maximum stress is 2.861 * 10 9Pa (representing with Max among the figure), acting on screw 6a stress on every side is 0.979 * 10 9Below the Pa, the stress that acts on an above-mentioned side is 0.666 * 10 9Below the Pa, minimum stress is 0.038 * 10 9Pa (representing with Min among the figure).
Figure 40 represents the stress distribution of plate body 37 each several parts, and the distributed stress around the screw 6a is high relatively, in this zone, and effect 1.769 * 10 9The stress that Pa is above, maximum stress is 3.941 * 10 9Pa (representing with Max among the figure), the stress that acts on an above-mentioned side is 0.900 * 10 9Below the Pa, minimum stress is 0.031 * 10 9Pa (representing with Min among the figure).
Make and act on plate body 36, load variations on 37 is 10kN, 5kN, 3kN, carry out and above-mentioned same parsing, ask for the poor of Y direction Max and Min, promptly positive maximum deformation quantity is poor with the maximum deformation quantity of bearing, M1 represents above-mentioned deflection poor of plate body 36, and M2 represents above-mentioned deflection poor of plate body 37.For example, above-mentioned load is the 20kN occasion, M1=0.109 * 10 -3M-(0.205 * 10 -3M)=0.314 * 10 -3M=0.314mm; M2=0.232 * 10 -3M-(0.287 * 10 -3M)=0.519 * 10 -3M=0.519mm.The result is illustrated among table 1 and Figure 41.
Table 1
Figure C0314906600221
From The above results as can be known, constitute the plate body that the wall 16a of portion or 16b are provided with the 6f of plastic deformation portion at adjacent surface, steady to the distortion of load, the deflection of screw 6a periphery is also little.In Figure 40, stress concentrates on the periphery of screw 6a, and in Figure 39, stress is absorbed by the 6f of plastic deformation portion, suppresses screw 6a stress on every side, and is very effective for making the high accuracy body by the 6f of plastic deformation portion that extrusion bar shaped projection is processed to form.
Above with reference to description of drawings embodiments of the invention, but the present invention is not limited to the foregoing description.Can do all changes in the technology of the present invention thought range, they all belong to protection scope of the present invention.
For example, in the various embodiments described above, make the 6f of plastic deformation portion protrude, but the present invention is not limited thereto, also can inwards protrude towards the middle formed products of secondary or the body outside.By taking this structure, use existing pressure former promptly to pressurize the punch parts to the adjacent surface formation wall 16a of portion from left and right sides metal pattern, 16b applies the external force occasion, and 6f of plastic deformation portion and metal pattern can not interfered, and there is no need metal pattern imposed to be used to transformation of avoiding above-mentioned interference etc.In addition, when body was finished, the 6f of plastic deformation portion was outstanding laterally, the occasion even miscellaneous part and side formation wall portion 3,4 join, and the 6f of plastic deformation portion can not collide with this miscellaneous part yet, can not harm and join.
In the various embodiments described above, the 6f of plastic deformation portion forms by extruding bar shaped projection processing method, but the present invention is not limited thereto, as long as can absorb external force, also can form with other processing methods.
In the various embodiments described above, 6f of plastic deformation portion and sweep 6c, the 6d quadrature, but the present invention is not limited thereto, and 6f of plastic deformation portion and sweep 6c, 6d can not be quadratures also.Certainly, 6f of plastic deformation portion and sweep 6c, the 6d quadrature can effectively improve adjacent surface and constitute the wall 16a of portion, the intensity of 16b.
In the various embodiments described above, along sweep 6c, 6d at the place ahead and the rear of screw 6a the 6f of plastic deformation portion is set, but the present invention is not limited thereto, also can be arranged on one of the place ahead and rear.Certainly, at the place ahead and the rear of screw 6a the 6f of plastic deformation portion more can prevent screw 6a than folk prescription setting distortion is set.

Claims (12)

1. manufacturing tubular body, this body (1) has rectangular cross section, comprises a upper wall (5), two side (3,4), and a diapire (2), this manufacturing tubular body may further comprise the steps:
First procedure of processing, formed products (14) in the middle of being shaped, metallic plate (6) has a pair of limit (6e parallel to each other, 6e), along with an above-mentioned opposite side (6e, 6e) parallel sweep (6c, 6d), crooked above-mentioned metallic plate, formed products (14) comprises a central diapire (15), two abuts with wall, and two upper wall (5a in the middle of the gained, 5b), two abuts with wall comprise first abuts with wall (16a) and second abuts with wall (16b), respectively with above-mentioned central diapire (15) adjacency, and above-mentioned two upper wall (5a, 5b) comprise the limit (6e of above-mentioned metallic plate (6) respectively, 6e), above-mentioned central diapire (15) respectively with first abuts with wall (16a), the formed angle of second abuts with wall (16b) is the obtuse angle, the above-mentioned two upper wall (5a of middle formed products (14), (6e 6e) is in the state that leaves mutually to opposite side 5b);
Second procedure of processing applies external force to above-mentioned first abuts with wall (16a) and second abuts with wall (16b), make above-mentioned central diapire (15) bending to bloat laterally, simultaneously, make above-mentioned two upper walls (5a, (6e 6e) connects airtight opposite side 5b);
The 3rd procedure of processing applies external force to the sweep of above-mentioned central diapire (15), makes above-mentioned central diapire (15) be deformed into flat condition, makes screen resilience remain in central diapire (15), in order to keep an above-mentioned opposite side (6e, tightlock status 6e);
Wherein, in above-mentioned first procedure of processing, form a plastic deformation portion (6f) at least in above-mentioned first abuts with wall (16a) and/or second abuts with wall (16b), this plastic deformation portion is along (6c, 6d) direction of quadrature is extended with above-mentioned sweep.
2. according to the manufacturing tubular body described in the claim 1, it is characterized in that, in above-mentioned the 3rd procedure of processing, comprise an above-mentioned opposite side (6e by pressurization, 6e) the face at junction surface, sweep to above-mentioned central diapire (15) applies external force, makes above-mentioned central diapire (15) be deformed into flat condition.
3. manufacturing tubular body, this body (1) has rectangular cross section, comprises a upper wall (5), two side (3,4), and a diapire (2), this manufacturing tubular body may further comprise the steps:
First procedure of processing, formed products (14) in the middle of being shaped, metallic plate (6) has a pair of limit (6e parallel to each other, 6e), along with an above-mentioned opposite side (6e, 6e) parallel sweep (6c, 6d), crooked above-mentioned metallic plate, formed products (14) comprises a central diapire (15), two abuts with wall, and two upper wall (5a in the middle of the gained, 5b), two abuts with wall comprise first abuts with wall (16a) and second abuts with wall (16b), respectively with above-mentioned central diapire (15) adjacency, and above-mentioned two upper wall (5a, 5b) comprise the limit (6e of above-mentioned metallic plate (6) respectively, 6e), above-mentioned central diapire (15) respectively with first abuts with wall (16a), the formed angle of second abuts with wall (16b) is the obtuse angle, the above-mentioned two upper wall (5a of middle formed products (14), (6e 6e) is in the state that leaves mutually to opposite side 5b);
Second procedure of processing, apply external force to above-mentioned first abuts with wall (16a) and second abuts with wall (16b), make above-mentioned two upper walls (5a, (6e 6e) connects airtight opposite side 5b), simultaneously, bending by above-mentioned central diapire (15) that stop to desire to bloat laterally makes above-mentioned central diapire (15) keep flat condition, makes screen resilience remain in central diapire (15), keep an above-mentioned opposite side (6e, tightlock status 6e);
The 3rd procedure of processing is to comprising an above-mentioned opposite side that connects airtight mutually (6e, the face at junction surface 6e), and the face pressurization that is made of above-mentioned central diapire (15);
Wherein, in above-mentioned first procedure of processing, form a plastic deformation portion (6f) at least in above-mentioned first abuts with wall (16a) and/or second abuts with wall (16b), this plastic deformation portion is along (6c, 6d) direction of quadrature is extended with above-mentioned sweep.
4. manufacturing tubular body, this body (1) has rectangular cross section, comprises a upper wall (5), two side (3,4), and a diapire (2), this manufacturing tubular body may further comprise the steps:
First procedure of processing, formed products (14) in the middle of being shaped, metallic plate (6) has a pair of limit (6e parallel to each other, 6e), along with an above-mentioned opposite side (6e, 6e) parallel sweep (6c, 6d), crooked above-mentioned metallic plate, formed products (14) comprises a central diapire (15), two abuts with wall, and two upper wall (5a in the middle of the gained, 5b), two abuts with wall comprise first abuts with wall (16a) and second abuts with wall (16b), respectively with above-mentioned central diapire (15) adjacency, and above-mentioned two upper wall (5a, 5b) comprise the limit (6e of above-mentioned metallic plate (6) respectively, 6e), above-mentioned central diapire (15) respectively with first abuts with wall (16a), the formed angle of second abuts with wall (16b) is the obtuse angle, the above-mentioned two upper wall (5a of middle formed products (14), (6e 6e) is in the state that leaves mutually to opposite side 5b);
Second procedure of processing, apply external force to above-mentioned first abuts with wall (16a) and second abuts with wall (16b), make above-mentioned two upper walls (5a, (6e 6e) connects airtight opposite side 5b), simultaneously, (3a 4a), makes screen resilience residual towards the inboard protuberance that protrudes of body by forming respectively on above-mentioned first abuts with wall (16a) and second abuts with wall (16b), keep an above-mentioned opposite side (6e, tightlock status 6e);
The 3rd procedure of processing is to comprising an above-mentioned opposite side that connects airtight mutually (6e, the face at junction surface 6e), and the face pressurization that is made of above-mentioned central diapire (15);
Wherein, in above-mentioned first procedure of processing, form a plastic deformation portion (6f) at least in above-mentioned first abuts with wall (16a) and/or second abuts with wall (16b), this plastic deformation portion is along (6c, 6d) direction of quadrature is extended with above-mentioned sweep.
5. according to any described manufacturing tubular body among the claim 1-4, it is characterized in that, at least one hole (6a) is formed on above-mentioned first abuts with wall (16a) and/or second abuts with wall (16b), and above-mentioned plastic deformation portion (6f) is formed near the above-mentioned hole (6a).
6. according to the manufacturing tubular body described in the claim 5, it is characterized in that (6c, 6d), above-mentioned plastic deformation portion (6f) is formed on the place ahead and/or the rear in above-mentioned hole (6a) along above-mentioned sweep.
7. according to the manufacturing tubular body described in the claim 6, it is characterized in that the longitudinal end of above-mentioned plastic deformation portion (6f) extends to more than the respective end of above-mentioned hole (6a).
8. according to any described manufacturing tubular body among the claim 1-4, it is characterized in that, be processed to form above-mentioned plastic deformation portion (6f) by extruding the bar shaped projection.
9. the manufacturing tubular body described in according to Claim 8 is characterized in that, make above-mentioned plastic deformation portion (6f) from above-mentioned first abuts with wall (16a) and/or second abuts with wall (16b) towards body outside projection.
10. the manufacturing tubular body described in according to Claim 8 is characterized in that, make above-mentioned plastic deformation portion (6f) from above-mentioned first abuts with wall (16a) and/or second abuts with wall (16b) towards the body inner bulge.
11. a body, this body (1) has rectangular cross section, comprises a upper wall (5), and two side (3,4), and a diapire (2) is characterized in that, this body (1) makes by any described manufacturing tubular body among the aforesaid right requirement 1-10.
12. an image processing system is provided with image forming part, it is characterized in that, this image processing system uses aforesaid right to require the body described in 11.
CNB031490662A 2002-07-01 2003-06-20 Pipe body making method, pipe body and image forming device using the same Expired - Fee Related CN100515595C (en)

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US20040035166A1 (en) 2004-02-26
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JP3914103B2 (en) 2007-05-16
CN1476943A (en) 2004-02-25

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